<template>
  <el-progress :percentage="p" v-bind="$attrs"></el-progress>
</template>

<script lang='ts' setup>
import { onMounted, ref } from 'vue'

// 标识动画加载过程中改变的值
let num = ref<number>(0)

let props = defineProps({
  // 进度条进度
  percentage: {
    type: Number,
    required: true
  },
  // 是否有动画效果
  isAnimate: {
    type: Boolean,
    default: false
  },
  // 动画时长(毫秒)
  time: {
    type: Number,
    default: 3000
  },
})

let p = ref(0)

onMounted(() => {
  if (props.isAnimate) {
    // 规定时间内加载完成
    let t = Math.ceil(props.time / props.percentage)
    let timer = setInterval(() => {
      p.value += 1
      if (p.value >= props.percentage) {
        p.value = props.percentage
        clearInterval(timer)
      }
    }, t)
  }
})
</script>

<style lang='scss' scoped>
</style>
